Method for preparing dense nutrient medium for culturing microorganisms
CA 1295569 C · Owner: Krainjukova, Tatyana I. · Inventors: Onischenko, Vladimir V.; Voitsekhovsky, Valery G.; Shirobokov, Vladimir P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract A method for preparing a dense nutrient medium for culturing microorganisms comprises copolymerization of acrylamide, N,N'- methylenebisacrylamide and a branched polyacrylamide with the mean molecular mass of 7.2x104 at a mass ratio therebetween of 7.0-15.0:0.11-0.21:0.028-0.11 respectively and of an initiator in a physiological solution till the formation of a gel which is then washed and impregnated with a nutrient substrate.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.